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        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>RONALD H PEELE JR</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>1.50</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>LOLA J SINGLETARY</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>1.50</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>LINDA D TURNER</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>1.50</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JOHN KOWALIK</PersonNm>
        <TitleTxt>HEAD OF SCHOOL</TitleTxt>
        <AverageHoursPerWeekRt>60.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>283171</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>44229</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DAVID DEJESUS</PersonNm>
        <TitleTxt>CFO AND COO</TitleTxt>
        <AverageHoursPerWeekRt>60.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>231787</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>37985</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DONALD FIRKE</PersonNm>
        <TitleTxt>HEAD, UPPER SCHOOL</TitleTxt>
        <AverageHoursPerWeekRt>50.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>154210</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>70881</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>WILLIAM COOK</PersonNm>
        <TitleTxt>ASST HOS FOR ACADEMICS</TitleTxt>
        <AverageHoursPerWeekRt>50.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>144680</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>36166</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>CHARLOTTE NELSEN</PersonNm>
        <TitleTxt>DIRECTOR, ADMISSION &amp; FIN. AID</TitleTxt>
        <AverageHoursPerWeekRt>50.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>135547</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>36630</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>GERALD KOUNTZ</PersonNm>
        <TitleTxt>HEAD, INTERMEDIATE SCHOOL</TitleTxt>
        <AverageHoursPerWeekRt>50.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>127804</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>41060</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DABNEY SCHMITT</PersonNm>
        <TitleTxt>FORMER DIR, DEV. &amp; ALUMNI PROGRAM</TitleTxt>
        <AverageHoursPerWeekRt>50.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>193218</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>14447</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>GEOFFREY JONES</PersonNm>
        <TitleTxt>FORMER HEAD OF SCHOOL</TitleTxt>
        <AverageHoursPerWeekRt>60.00</AverageHoursPerWeekRt>
        <FormerOfcrDirectorTrusteeInd>X</FormerOfcrDirectorTrusteeInd>
        <ReportableCompFromOrgAmt>179916</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>63252</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>1450333</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>344650</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>23</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>1</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>1</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1>COAKLEY &amp; WILLIAMS CONSTRUCTION INC</BusinessNameLine1>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1>16 S SUMMIT AVE STE 300</AddressLine1>
            <City>GAITHERSBURG</City>
            <State>MD</State>
            <ZIPCode>20877</ZIPCode>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>GENERAL CONTRACTOR</ServicesDesc>
        <CompensationAmt>4134706</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1>SAGE DINING SERVICES INC</BusinessNameLine1>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1>1402 YORK RD</AddressLine1>
            <City>LUTHERVILLE</City>
            <State>MD</State>
            <ZIPCode>21093</ZIPCode>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>FOOD SERVICE</ServicesDesc>
        <CompensationAmt>743169</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1>CAVALIER SERVICES INC</BusinessNameLine1>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1>2722 MERRILEE DR</AddressLine1>
            <City>FAIRFAX</City>
            <State>VA</State>
            <ZIPCode>22031</ZIPCode>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>JANITORIAL</ServicesDesc>
        <CompensationAmt>324018</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1>COX GRAAE &amp; SPACK</BusinessNameLine1>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1>2909 M STREET NW</AddressLine1>
            <City>WASHINGTON</City>
            <State>DC</State>
            <ZIPCode>20007</ZIPCode>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>ARCHITECTS</ServicesDesc>
        <CompensationAmt>153458</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1>CARNEY SANDOE &amp; ASSOCIATES</BusinessNameLine1>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1>5070 NORTH HWY</AddressLine1>
            <City>VERO BEACH</City>
            <State>FL</State>
            <ZIPCode>32963</ZIPCode>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>EMPLOYMENT SERVICE</ServicesDesc>
        <CompensationAmt>135905</CompensationAmt>
      </ContractorCompensationGrp>
      <CntrctRcvdGreaterThan100KCnt>8</CntrctRcvdGreaterThan100KCnt>
      <FundraisingAmt>220341</FundraisingAmt>
      <AllOtherContributionsAmt>2537727</AllOtherContributionsAmt>
      <NoncashContributionsAmt>964314</NoncashContributionsAmt>
      <TotalContributionsAmt>2758068</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>TUITION</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>34344020</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>34344020</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>SUMMER PROGRAMS</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>1913145</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>1913145</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>TRANSPORTATION</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>1001426</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>928708</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>72718</UnrelatedBusinessRevenueAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>ENRICHMENT PROGRAM</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>253684</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>253684</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>MUSIC LESSON FEES</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>88219</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>88219</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalOthProgramServiceRevGrp>
        <TotalRevenueColumnAmt>68721</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>68721</RelatedOrExemptFuncIncomeAmt>
      </TotalOthProgramServiceRevGrp>
      <TotalProgramServiceRevenueAmt>37669215</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>447975</TotalRevenueColumnAmt>
        <UnrelatedBusinessRevenueAmt>1728</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>446247</ExclusionAmt>
      </InvestmentIncomeGrp>
      <GrossRentsGrp>
        <RealAmt>12447</RealAmt>
      </GrossRentsGrp>
      <LessRentalExpensesGrp>
        <RealAmt>0</RealAmt>
      </LessRentalExpensesGrp>
      <RentalIncomeOrLossGrp>
        <RealAmt>12447</RealAmt>
      </RentalIncomeOrLossGrp>
      <NetRentalIncomeOrLossGrp>
        <TotalRevenueColumnAmt>12447</TotalRevenueColumnAmt>
        <ExclusionAmt>12447</ExclusionAmt>
      </NetRentalIncomeOrLossGrp>
      <GrossAmountSalesAssetsGrp>
        <SecuritiesAmt>9492749</SecuritiesAmt>
      </GrossAmountSalesAssetsGrp>
      <LessCostOthBasisSalesExpnssGrp>
        <SecuritiesAmt>9443080</SecuritiesAmt>
      </LessCostOthBasisSalesExpnssGrp>
      <GainOrLossGrp>
        <SecuritiesAmt>49669</SecuritiesAmt>
      </GainOrLossGrp>
      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>49669</TotalRevenueColumnAmt>
        <ExclusionAmt>49669</ExclusionAmt>
      </NetGainOrLossInvestmentsGrp>
      <FundraisingGrossIncomeAmt>391924</FundraisingGrossIncomeAmt>
      <ContriRptFundraisingEventAmt>220341</ContriRptFundraisingEventAmt>
      <FundraisingDirectExpensesAmt>121304</FundraisingDirectExpensesAmt>
      <NetIncmFromFundraisingEvtGrp>
        <TotalRevenueColumnAmt>270620</TotalRevenueColumnAmt>
        <ExclusionAmt>270620</ExclusionAmt>
      </NetIncmFromFundraisingEvtGrp>
      <GrossSalesOfInventoryAmt>132253</GrossSalesOfInventoryAmt>
      <CostOfGoodsSoldAmt>78512</CostOfGoodsSoldAmt>
      <NetIncomeOrLossGrp>
        <TotalRevenueColumnAmt>53741</TotalRevenueColumnAmt>
        <ExclusionAmt>53741</ExclusionAmt>
      </NetIncomeOrLossGrp>
      <OtherRevenueMiscGrp>
        <Desc>OTHER INCOME</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>241951</TotalRevenueColumnAmt>
        <ExclusionAmt>241951</ExclusionAmt>
      </OtherRevenueMiscGrp>
      <OtherRevenueMiscGrp>
        <Desc>INSURANCE REIM</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>133145</TotalRevenueColumnAmt>
        <ExclusionAmt>133145</ExclusionAmt>
      </OtherRevenueMiscGrp>
      <OtherRevenueTotalAmt>375096</OtherRevenueTotalAmt>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>41636831</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>37596497</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>74446</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>1207820</ExclusionAmt>
      </TotalRevenueGrp>
      <GrantsToDomesticIndividualsGrp>
        <TotalAmt>4096085</TotalAmt>
        <ProgramServicesAmt>4096085</ProgramServicesAmt>
      </GrantsToDomesticIndividualsGrp>
      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>625100</TotalAmt>
        <ProgramServicesAmt>549559</ProgramServicesAmt>
        <ManagementAndGeneralAmt>44294</ManagementAndGeneralAmt>
        <FundraisingAmt>31247</FundraisingAmt>
      </CompCurrentOfcrDirectorsGrp>
      <OtherSalariesAndWagesGrp>
        <TotalAmt>17724272</TotalAmt>
        <ProgramServicesAmt>15598816</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1246728</ManagementAndGeneralAmt>
        <FundraisingAmt>878728</FundraisingAmt>
      </OtherSalariesAndWagesGrp>
      <PensionPlanContributionsGrp>
        <TotalAmt>1160302</TotalAmt>
        <ProgramServicesAmt>1004799</ProgramServicesAmt>
        <ManagementAndGeneralAmt>92588</ManagementAndGeneralAmt>
        <FundraisingAmt>62915</FundraisingAmt>
      </PensionPlanContributionsGrp>
      <OtherEmployeeBenefitsGrp>
        <TotalAmt>2078984</TotalAmt>
        <ProgramServicesAmt>1826256</ProgramServicesAmt>
        <ManagementAndGeneralAmt>143354</ManagementAndGeneralAmt>
        <FundraisingAmt>109374</FundraisingAmt>
      </OtherEmployeeBenefitsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>1310876</TotalAmt>
        <ProgramServicesAmt>1156017</ProgramServicesAmt>
        <ManagementAndGeneralAmt>88225</ManagementAndGeneralAmt>
        <FundraisingAmt>66634</FundraisingAmt>
      </PayrollTaxesGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>1324980</TotalAmt>
        <ProgramServicesAmt>39908</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1282301</ManagementAndGeneralAmt>
        <FundraisingAmt>2771</FundraisingAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>76150</TotalAmt>
        <ProgramServicesAmt>54827</ProgramServicesAmt>
        <ManagementAndGeneralAmt>17515</ManagementAndGeneralAmt>
        <FundraisingAmt>3808</FundraisingAmt>
      </FeesForServicesAccountingGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>1147898</TotalAmt>
        <ProgramServicesAmt>909570</ProgramServicesAmt>
        <ManagementAndGeneralAmt>178541</ManagementAndGeneralAmt>
        <FundraisingAmt>59787</FundraisingAmt>
      </FeesForServicesOtherGrp>
      <AdvertisingGrp>
        <TotalAmt>23892</TotalAmt>
        <ProgramServicesAmt>17202</ProgramServicesAmt>
        <ManagementAndGeneralAmt>5495</ManagementAndGeneralAmt>
        <FundraisingAmt>1195</FundraisingAmt>
      </AdvertisingGrp>
      <OfficeExpensesGrp>
        <TotalAmt>819347</TotalAmt>
        <ProgramServicesAmt>593183</ProgramServicesAmt>
        <ManagementAndGeneralAmt>97037</ManagementAndGeneralAmt>
        <FundraisingAmt>129127</FundraisingAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>581606</TotalAmt>
        <ProgramServicesAmt>459708</ProgramServicesAmt>
        <ManagementAndGeneralAmt>100130</ManagementAndGeneralAmt>
        <FundraisingAmt>21768</FundraisingAmt>
      </InformationTechnologyGrp>
      <OccupancyGrp>
        <TotalAmt>1774799</TotalAmt>
        <ProgramServicesAmt>1339612</ProgramServicesAmt>
        <ManagementAndGeneralAmt>357473</ManagementAndGeneralAmt>
        <FundraisingAmt>77714</FundraisingAmt>
      </OccupancyGrp>
      <TravelGrp>
        <TotalAmt>363219</TotalAmt>
        <ProgramServicesAmt>349786</ProgramServicesAmt>
        <FundraisingAmt>13433</FundraisingAmt>
      </TravelGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>108801</TotalAmt>
        <ProgramServicesAmt>21333</ProgramServicesAmt>
        <FundraisingAmt>87468</FundraisingAmt>
      </ConferencesMeetingsGrp>
      <InterestGrp>
        <TotalAmt>1636334</TotalAmt>
        <ProgramServicesAmt>1178159</ProgramServicesAmt>
        <ManagementAndGeneralAmt>376358</ManagementAndGeneralAmt>
        <FundraisingAmt>81817</FundraisingAmt>
      </InterestGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>3170443</TotalAmt>
        <ProgramServicesAmt>2282719</ProgramServicesAmt>
        <ManagementAndGeneralAmt>729202</ManagementAndGeneralAmt>
        <FundraisingAmt>158522</FundraisingAmt>
      </DepreciationDepletionGrp>
      <InsuranceGrp>
        <TotalAmt>337264</TotalAmt>
        <ProgramServicesAmt>261546</ProgramServicesAmt>
        <ManagementAndGeneralAmt>62197</ManagementAndGeneralAmt>
        <FundraisingAmt>13521</FundraisingAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>DEPARTMENT EXPENSES</Desc>
        <TotalAmt>2832175</TotalAmt>
        <ProgramServicesAmt>1306911</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1520753</ManagementAndGeneralAmt>
        <FundraisingAmt>4511</FundraisingAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>SUMMER PROGRAM</Desc>
        <TotalAmt>1498430</TotalAmt>
        <ProgramServicesAmt>1498430</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>FOOD AND ENTERTAINMENT</Desc>
        <TotalAmt>805896</TotalAmt>
        <ProgramServicesAmt>580245</ProgramServicesAmt>
        <ManagementAndGeneralAmt>185356</ManagementAndGeneralAmt>
        <FundraisingAmt>40295</FundraisingAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>AERO GRANTS</Desc>
        <TotalAmt>145058</TotalAmt>
        <ProgramServicesAmt>145058</ProgramServicesAmt>
      </OtherExpensesGrp>
      <AllOtherExpensesGrp>
        <TotalAmt>343458</TotalAmt>
        <ProgramServicesAmt>198049</ProgramServicesAmt>
        <ManagementAndGeneralAmt>141764</ManagementAndGeneralAmt>
        <FundraisingAmt>3645</FundraisingAmt>
      </AllOtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>43985369</TotalAmt>
        <ProgramServicesAmt>35467778</ProgramServicesAmt>
        <ManagementAndGeneralAmt>6669311</ManagementAndGeneralAmt>
        <FundraisingAmt>1848280</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>500</BOYAmt>
        <EOYAmt>500</EOYAmt>
      </CashNonInterestBearingGrp>
      <SavingsAndTempCashInvstGrp>
        <BOYAmt>16036039</BOYAmt>
        <EOYAmt>18639168</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <PledgesAndGrantsReceivableGrp>
        <BOYAmt>1239593</BOYAmt>
        <EOYAmt>501860</EOYAmt>
      </PledgesAndGrantsReceivableGrp>
      <AccountsReceivableGrp>
        <BOYAmt>42092</BOYAmt>
        <EOYAmt>30083</EOYAmt>
      </AccountsReceivableGrp>
      <OthNotesLoansReceivableNetGrp>
        <BOYAmt>1440000</BOYAmt>
      </OthNotesLoansReceivableNetGrp>
      <InventoriesForSaleOrUseGrp>
        <BOYAmt>71173</BOYAmt>
        <EOYAmt>86047</EOYAmt>
      </InventoriesForSaleOrUseGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>681501</BOYAmt>
        <EOYAmt>595967</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <LandBldgEquipCostOrOtherBssAmt>112983540</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>28680078</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>79372500</BOYAmt>
        <EOYAmt>84303462</EOYAmt>
      </LandBldgEquipBasisNetGrp>
      <InvestmentsPubTradedSecGrp>
        <BOYAmt>12580517</BOYAmt>
        <EOYAmt>17748499</EOYAmt>
      </InvestmentsPubTradedSecGrp>
      <InvestmentsOtherSecuritiesGrp>
        <BOYAmt>17561203</BOYAmt>
        <EOYAmt>18518497</EOYAmt>
      </InvestmentsOtherSecuritiesGrp>
      <OtherAssetsTotalGrp>
        <BOYAmt>4621609</BOYAmt>
        <EOYAmt>932541</EOYAmt>
      </OtherAssetsTotalGrp>
      <TotalAssetsGrp>
        <BOYAmt>133646727</BOYAmt>
        <EOYAmt>141356624</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>1814908</BOYAmt>
        <EOYAmt>1339771</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <DeferredRevenueGrp>
        <BOYAmt>16052133</BOYAmt>
        <EOYAmt>18181370</EOYAmt>
      </DeferredRevenueGrp>
      <TaxExemptBondLiabilitiesGrp>
        <BOYAmt>36257087</BOYAmt>
        <EOYAmt>39847257</EOYAmt>
      </TaxExemptBondLiabilitiesGrp>
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        <BOYAmt>1440000</BOYAmt>
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        <FormAndLineReferenceDesc>PART V, LINE 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>ENDOWMENT FUNDS ARE USED TO PROVIDE FINANCIAL AID, PURCHASE LIBRARY BOOKS, FRAME STUDENT ARTWORK, FUND COMMUNITY SERVICE, FACULTY SALARIES AND ENRICHMENT, SCIENCE PROGRAMS, THEATER AND MUSIC, AND GLOBAL STUDIES.</ExplanationTxt>
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        <ExplanationTxt>THE SCHOOL IS GENERALLY EXEMPT FROM FEDERAL INCOME TAXES UNDER THE PROVISIONS OF SECTION 501(C)(3) OF THE INTERNAL REVENUE CODE. IN ADDITION, THE SCHOOL QUALIFIES FOR CHARITABLE CONTRIBUTIONS DEDUCTIONS AND HAS BEEN CLASSIFIED AS AN ORGANIZATION THAT IS NOT A PRIVATE FOUNDATION. BUSINESS INCOME WHICH IS NOT RELATED TO EXEMPT PURPOSES, LESS APPLICABLE DEDUCTIONS, IS SUBJECT TO FEDERAL AND STATE CORPORATE INCOME TAXES. FOR THE YEAR ENDED JUNE 30, 2014, THE SCHOOL HAD IMMATERIAL TAXABLE UNRELATED BUSINESS INCOME WITH LOSSES THAT COULD BE CARRIED OVER, AND ACCORDINGLY, NO PROVISION FOR INCOME TAXES IS REQUIRED IN THE ACCOMPANYING FINANCIAL STATEMENTS. MANAGEMENT EVALUATED THE SCHOOL'S TAX POSITIONS AND CONCLUDED THAT THE SCHOOL HAD TAKEN NO UNCERTAIN TAX POSITIONS THAT REQUIRE ADJUSTMENT TO THE FINANCIAL STATEMENTS TO COMPLY WITH THE PROVISIONS OF THIS GUIDANCE. THE SCHOOL FILES INCOME TAX RETURNS IN THE U.S. FEDERAL JURISDICTION. WITH FEW EXCEPTIONS, THE SCHOOL IS NO LONGER SUBJECT TO INCOME TAX EXAMINATIONS BY THE U.S. FEDERAL, STATE OR LOCAL TAX AUTHORITIES FOR YEARS BEFORE 2011.</ExplanationTxt>
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      <SupplementalInformationDetail>
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        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>CHARLOTTE NELSEN</PersonNm>
        <TitleTxt>DIRECTOR, ADMISSION &amp; FIN. AID</TitleTxt>
        <BaseCompensationFilingOrgAmt>133565</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>1982</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>15500</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>23137</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>174184</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>GERALD KOUNTZ</PersonNm>
        <TitleTxt>HEAD, INTERMEDIATE SCHOOL</TitleTxt>
        <BaseCompensationFilingOrgAmt>126200</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>1604</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>8834</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>34132</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>170770</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>DABNEY SCHMITT</PersonNm>
        <TitleTxt>FORMER DIR, DEV. &amp; ALUMNI PROGRAM</TitleTxt>
        <BaseCompensationFilingOrgAmt>87861</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>105357</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>6405</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>9171</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>208794</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>GEOFFREY JONES</PersonNm>
        <TitleTxt>FORMER HEAD OF SCHOOL</TitleTxt>
        <BaseCompensationFilingOrgAmt>169884</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>10032</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>11475</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>58923</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>250314</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 1A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SCHOOL COMPENSATES THE HEADMASTER AND VARIOUS DEPARTMENT HEADS. THE SCHOOL PROVIDES THE HEADMASTER AND VARIOUS DEPARTMENT HEADS WITH HOUSING. THE RENTAL VALUE REFLECTS THE FAIR MARKET VALUE FOR COMPARABLE HOUSES IN THE AREA. THE TRANSACTIONS WERE APPROVED BY THE BOARD OF TRUSTEES WITH ADEQUATE DOCUMENTATION. FOLLOWING EMPLOYEES RECEIVED NONTAXABLE HOUSING ALLOWANCE: GEOFFREY JONES (FORMER HEAD OF SCHOOL) - $29,528 JOHN KOWALIK - $27,083 DONALD FIRKE - $39,032 GERALD KOUNTZ - $32,226</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 4A</FormAndLineReferenceDesc>
        <ExplanationTxt>DABNEY SCHMITT, SEVERANCE PAYMENT, $102,819 - THIS AMOUNT IS INCLUDED IN SCHEDULE J, PART II, COLUMN B(III).</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleK documentId="RetDoc1053100001">
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        <BondReferenceCd>A</BondReferenceCd>
        <IssuerName>
          <BusinessNameLine1>FAIRFAX COUNTY ECONOMIC DEVELOPMENT AUTHORITY</BusinessNameLine1>
        </IssuerName>
        <BondIssuerEIN>540787833</BondIssuerEIN>
        <BondIssuedDt>2004-07-12</BondIssuedDt>
        <IssuePriceAmt>16430000</IssuePriceAmt>
        <PurposeDesc>REDEMPTION OF PRIOR BONDS AND SCHOOL CONSTRUCTION</PurposeDesc>
        <DefeasedInd>0</DefeasedInd>
        <OnBehalfOfIssuerInd>0</OnBehalfOfIssuerInd>
        <PoolFinancingInd>0</PoolFinancingInd>
      </TaxExemptBondsIssuesGrp>
      <TaxExemptBondsIssuesGrp>
        <BondReferenceCd>B</BondReferenceCd>
        <IssuerName>
          <BusinessNameLine1>FAIRFAX COUNTY ECONOMIC DEVELOPMENT AUTHORITY</BusinessNameLine1>
        </IssuerName>
        <BondIssuerEIN>540787833</BondIssuerEIN>
        <BondIssuedDt>2005-08-04</BondIssuedDt>
        <IssuePriceAmt>20570000</IssuePriceAmt>
        <PurposeDesc>CONSTRUCTION OF NEW UPPER SCHOOL BUILDING</PurposeDesc>
        <DefeasedInd>0</DefeasedInd>
        <OnBehalfOfIssuerInd>0</OnBehalfOfIssuerInd>
        <PoolFinancingInd>0</PoolFinancingInd>
      </TaxExemptBondsIssuesGrp>
      <TaxExemptBondsIssuesGrp>
        <BondReferenceCd>C</BondReferenceCd>
        <IssuerName>
          <BusinessNameLine1>FAIRFAX COUNTY ECONOMIC DEVELOPMENT AUTHORITY</BusinessNameLine1>
        </IssuerName>
        <BondIssuerEIN>540787833</BondIssuerEIN>
        <BondIssuedDt>2012-09-07</BondIssuedDt>
        <IssuePriceAmt>9500000</IssuePriceAmt>
        <PurposeDesc>REFINANCING PRIOR LOAN AND SCHOOL CONSTRUCTION</PurposeDesc>
        <DefeasedInd>0</DefeasedInd>
        <OnBehalfOfIssuerInd>0</OnBehalfOfIssuerInd>
        <PoolFinancingInd>0</PoolFinancingInd>
      </TaxExemptBondsIssuesGrp>
      <TaxExemptBondsProceedsGrp>
        <BondReferenceCd>A</BondReferenceCd>
        <RetiredAmt>3076984</RetiredAmt>
        <TotalProceedsAmt>16430000</TotalProceedsAmt>
        <CapitalExpendituresAmt>16430000</CapitalExpendituresAmt>
        <SubstantialCompletionYr>2004</SubstantialCompletionYr>
        <CurrentRefundingInd>1</CurrentRefundingInd>
        <AdvanceRefundingInd>0</AdvanceRefundingInd>
        <FinalAllocationMadeInd>1</FinalAllocationMadeInd>
        <AdequateBooksAndRecMaintInd>1</AdequateBooksAndRecMaintInd>
      </TaxExemptBondsProceedsGrp>
      <TaxExemptBondsProceedsGrp>
        <BondReferenceCd>B</BondReferenceCd>
        <RetiredAmt>3227708</RetiredAmt>
        <TotalProceedsAmt>20570000</TotalProceedsAmt>
        <CapitalExpendituresAmt>20570000</CapitalExpendituresAmt>
        <SubstantialCompletionYr>2006</SubstantialCompletionYr>
        <CurrentRefundingInd>0</CurrentRefundingInd>
        <AdvanceRefundingInd>0</AdvanceRefundingInd>
        <FinalAllocationMadeInd>1</FinalAllocationMadeInd>
        <AdequateBooksAndRecMaintInd>1</AdequateBooksAndRecMaintInd>
      </TaxExemptBondsProceedsGrp>
      <TaxExemptBondsProceedsGrp>
        <BondReferenceCd>C</BondReferenceCd>
        <RetiredAmt>348051</RetiredAmt>
        <TotalProceedsAmt>9500000</TotalProceedsAmt>
        <CapitalExpendituresAmt>9500000</CapitalExpendituresAmt>
        <SubstantialCompletionYr>2013</SubstantialCompletionYr>
        <CurrentRefundingInd>0</CurrentRefundingInd>
        <AdvanceRefundingInd>0</AdvanceRefundingInd>
        <FinalAllocationMadeInd>1</FinalAllocationMadeInd>
        <AdequateBooksAndRecMaintInd>1</AdequateBooksAndRecMaintInd>
      </TaxExemptBondsProceedsGrp>
      <TaxExemptBondsPrivateBusUseGrp>
        <BondReferenceCd>A</BondReferenceCd>
        <OwningBondFinancedPropertyInd>0</OwningBondFinancedPropertyInd>
        <AnyLeaseArrangementsInd>0</AnyLeaseArrangementsInd>
        <MgmtContractBondFincdPropInd>0</MgmtContractBondFincdPropInd>
        <AnyResearchAgreementsInd>0</AnyResearchAgreementsInd>
        <PrivateBusUseByOthersPct>0.00000</PrivateBusUseByOthersPct>
        <PrivateBusConcerningUBIPct>0.00000</PrivateBusConcerningUBIPct>
        <TotalPrivateBusinessUsePct>0.00000</TotalPrivateBusinessUsePct>
        <BondIssMeetPrvtSecPymtTestInd>0</BondIssMeetPrvtSecPymtTestInd>
        <ChangeInUseBondFinancedPropInd>0</ChangeInUseBondFinancedPropInd>
        <ProcsNonqualifiedBondRemdtdInd>1</ProcsNonqualifiedBondRemdtdInd>
      </TaxExemptBondsPrivateBusUseGrp>
      <TaxExemptBondsPrivateBusUseGrp>
        <BondReferenceCd>B</BondReferenceCd>
        <OwningBondFinancedPropertyInd>0</OwningBondFinancedPropertyInd>
        <AnyLeaseArrangementsInd>0</AnyLeaseArrangementsInd>
        <MgmtContractBondFincdPropInd>0</MgmtContractBondFincdPropInd>
        <AnyResearchAgreementsInd>0</AnyResearchAgreementsInd>
        <PrivateBusUseByOthersPct>0.00000</PrivateBusUseByOthersPct>
        <PrivateBusConcerningUBIPct>0.00000</PrivateBusConcerningUBIPct>
        <TotalPrivateBusinessUsePct>0.00000</TotalPrivateBusinessUsePct>
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        <ProcsNonqualifiedBondRemdtdInd>1</ProcsNonqualifiedBondRemdtdInd>
      </TaxExemptBondsPrivateBusUseGrp>
      <TaxExemptBondsPrivateBusUseGrp>
        <BondReferenceCd>C</BondReferenceCd>
        <OwningBondFinancedPropertyInd>0</OwningBondFinancedPropertyInd>
        <AnyLeaseArrangementsInd>0</AnyLeaseArrangementsInd>
        <MgmtContractBondFincdPropInd>0</MgmtContractBondFincdPropInd>
        <AnyResearchAgreementsInd>0</AnyResearchAgreementsInd>
        <PrivateBusUseByOthersPct>0.00000</PrivateBusUseByOthersPct>
        <PrivateBusConcerningUBIPct>0.00000</PrivateBusConcerningUBIPct>
        <TotalPrivateBusinessUsePct>0.00000</TotalPrivateBusinessUsePct>
        <BondIssMeetPrvtSecPymtTestInd>0</BondIssMeetPrvtSecPymtTestInd>
        <ChangeInUseBondFinancedPropInd>0</ChangeInUseBondFinancedPropInd>
        <ProcsNonqualifiedBondRemdtdInd>1</ProcsNonqualifiedBondRemdtdInd>
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      <TaxExemptBondsArbitrageGrp>
        <BondReferenceCd>A</BondReferenceCd>
        <Form8038TFiledInd>0</Form8038TFiledInd>
        <RebateNotDueYetInd>0</RebateNotDueYetInd>
        <ExceptionToRebateInd>1</ExceptionToRebateInd>
        <NoRebateDueInd>0</NoRebateDueInd>
        <VariableRateIssueInd>0</VariableRateIssueInd>
        <HedgeIdentifiedInBksAndRecInd>0</HedgeIdentifiedInBksAndRecInd>
        <GrossProceedsInvestedInGICInd>0</GrossProceedsInvestedInGICInd>
        <GrossProceedsInvestedInd>0</GrossProceedsInvestedInd>
        <WrittenProcToMonitorReqsInd>1</WrittenProcToMonitorReqsInd>
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      <TaxExemptBondsArbitrageGrp>
        <BondReferenceCd>B</BondReferenceCd>
        <Form8038TFiledInd>0</Form8038TFiledInd>
        <RebateNotDueYetInd>0</RebateNotDueYetInd>
        <ExceptionToRebateInd>1</ExceptionToRebateInd>
        <NoRebateDueInd>0</NoRebateDueInd>
        <VariableRateIssueInd>1</VariableRateIssueInd>
        <HedgeIdentifiedInBksAndRecInd>1</HedgeIdentifiedInBksAndRecInd>
        <HedgeProviderName>
          <BusinessNameLine1>PNC BANK</BusinessNameLine1>
        </HedgeProviderName>
        <TermOfHedgePct>28.000000000000</TermOfHedgePct>
        <SuperintegratedHedgeInd>0</SuperintegratedHedgeInd>
        <HedgeTerminatedInd>0</HedgeTerminatedInd>
        <GrossProceedsInvestedInGICInd>0</GrossProceedsInvestedInGICInd>
        <GrossProceedsInvestedInd>0</GrossProceedsInvestedInd>
        <WrittenProcToMonitorReqsInd>1</WrittenProcToMonitorReqsInd>
      </TaxExemptBondsArbitrageGrp>
      <TaxExemptBondsArbitrageGrp>
        <BondReferenceCd>C</BondReferenceCd>
        <Form8038TFiledInd>0</Form8038TFiledInd>
        <RebateNotDueYetInd>1</RebateNotDueYetInd>
        <ExceptionToRebateInd>1</ExceptionToRebateInd>
        <NoRebateDueInd>0</NoRebateDueInd>
        <VariableRateIssueInd>1</VariableRateIssueInd>
        <HedgeIdentifiedInBksAndRecInd>1</HedgeIdentifiedInBksAndRecInd>
        <HedgeProviderName>
          <BusinessNameLine1>PNC BANK</BusinessNameLine1>
        </HedgeProviderName>
        <TermOfHedgePct>12.000000000000</TermOfHedgePct>
        <SuperintegratedHedgeInd>0</SuperintegratedHedgeInd>
        <HedgeTerminatedInd>0</HedgeTerminatedInd>
        <GrossProceedsInvestedInGICInd>0</GrossProceedsInvestedInGICInd>
        <GrossProceedsInvestedInd>0</GrossProceedsInvestedInd>
        <WrittenProcToMonitorReqsInd>1</WrittenProcToMonitorReqsInd>
      </TaxExemptBondsArbitrageGrp>
      <ProceduresCorrectiveActionGrp>
        <BondReferenceCd>A</BondReferenceCd>
        <ProceduresCorrectiveActionInd>1</ProceduresCorrectiveActionInd>
      </ProceduresCorrectiveActionGrp>
      <ProceduresCorrectiveActionGrp>
        <BondReferenceCd>B</BondReferenceCd>
        <ProceduresCorrectiveActionInd>1</ProceduresCorrectiveActionInd>
      </ProceduresCorrectiveActionGrp>
      <ProceduresCorrectiveActionGrp>
        <BondReferenceCd>C</BondReferenceCd>
        <ProceduresCorrectiveActionInd>1</ProceduresCorrectiveActionInd>
      </ProceduresCorrectiveActionGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE K, PART IV, LINE 2C, REBATE NOT YET DUE:</FormAndLineReferenceDesc>
        <ExplanationTxt>NO CALCULATION REQUIRED FOR THE C SERIES DUE TO MEETING REBATE EXCEPTION.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleK>
    <IRS990ScheduleM documentId="RetDoc1042900001">
      <SecuritiesPubliclyTradedGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <ContributionCnt>28</ContributionCnt>
        <NoncashContributionsRptF990Amt>959266</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>CONFIRMATION FROM BROKER</MethodOfDeterminingRevenuesTxt>
      </SecuritiesPubliclyTradedGrp>
      <OtherNonCashContriTableGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <Desc>OFFICE SUPPLI</Desc>
        <ContributionCnt>1</ContributionCnt>
        <NoncashContributionsRptF990Amt>5048</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>COST</MethodOfDeterminingRevenuesTxt>
      </OtherNonCashContriTableGrp>
      <AnyPropertyThatMustBeHeldInd>0</AnyPropertyThatMustBeHeldInd>
      <ReviewProcessUnusualNCGiftsInd>1</ReviewProcessUnusualNCGiftsInd>
      <ThirdPartiesUsedInd>0</ThirdPartiesUsedInd>
    </IRS990ScheduleM>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 4</FormAndLineReferenceDesc>
        <ExplanationTxt>FORM 990 2013-2014 SUMMARY OF JUNE 2, 2014 REVISED BY-LAWS AMENDMENTS THE POTOMAC SCHOOL AMENDED ITS BY-LAWS EFFECTIVE JUNE 2, 2014. THE SUMMARY OF AMENDMENTS ARE: ARTICLE II.A - THE NUMBER OF TRUSTEES OF THE BOARD ON CERTAIN CONDITIONS MAY TEMPORARILY EXCEED 22 IN THE EVENT THAT THE TERM OF AN OFFICER IS EXTENDED PURSUANT TO EXISTING ARTICLES II.A.2, II.B.1 OR II.B.2. ARTICLE II.A.2 - THE TERM OF A TRUSTEE CAN BE EXTENDED FOR A CONSECUTIVE THIRD TERM UNDER EXTRAORDINARY CIRCUMSTANCES. ARTICLE II.B.1 - THE TERM OF THE CHAIR CAN BE EXTENDED UP TO A 4TH YEAR. IF THE TERM OF THE CHAIR IS EXTENDED BEYOND A 3RD YEAR, THE BOARD SHALL ELECT A CHAIR-ELECT. ARTICLE III.C - THE CHAIR-ELECT, IF ANY, SHALL SERVE ON THE EXECUTIVE COMMITTEE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11</FormAndLineReferenceDesc>
        <ExplanationTxt>THE 990 IS REVIEWED AND APPROVED BY THE AUDIT COMMITTEE. AFTER THAT IT GOES TO THE FULL BOARD FOR REVIEW AND APPROVAL.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>FOR KEY EMPLOYEES: WHERE A POTENTIAL CONFLICT OF INTEREST EXISTS, IT SHALL BE THE RESPONSIBILITY OF THE PERSON INVOLVED OR ANY OTHER PERSON WITH KNOWLEDGE TO NOTIFY THE HEAD OF SCHOOL OF THE CIRCUMSTANCES RESULTING IN THE POTENTIAL CONFLICT SO THAT IT CAN BE COMMUNICATED TO THE BOARD OF TRUSTEES WHO CAN, IN COUNSEL WITH THE HEAD OF SCHOOL, THEN PROVIDE SUCH GUIDANCE AND TAKE SUCH ACTION AS THEY SHALL DEEM APPROPRIATE. THIS STATEMENT SHALL BE SIGNED ANNUALLY BY ALL KEY EMPLOYEES. FOR BOARD OF TRUSTEES: WHERE A POTENTIAL CONFLICT OF INTEREST EXISTS, IT SHALL BE THE RESPONSIBILITY OF THE PERSON INVOLVED OR ANY OTHER PERSON WITH KNOWLEDGE TO NOTIFY THE CHAIR AND VICE CHAIR OF THE BOARD OF TRUSTEES AS WELL AS THE CHAIR OF THE COMMITTEE ON TRUSTEES OF THE CIRCUMSTANCES RESULTING IN THE POTENTIAL CONFLICT SO THAT THE BOARD OF TRUSTEES CAN PROVIDE SUCH GUIDANCE AND TAKE SUCH ACTION AS IT SHALL DEEM APPROPRIATE. THIS STATEMENT SHALL BE SIGNED ANNUALLY BY ALL TRUSTEES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>THE COMPENSATION COMMITTEE REVIEWS AND DISCUSSES THE TOTAL COMPENSATION PACKAGES OF THE HEAD OF SCHOOL AND SCHOOL ADMINISTRATORS. SALARY INFORMATION ONLY FOR SIMILAR POSITIONS FROM COMPARABLE SCHOOLS ARE USED TO ESTABLISH A REASONABLE COMPENSATION. THE COMMITTEE HAS THE AUTHORITY TO APPROVE THE COMPENSATION PACKAGE OF THE HEAD OF SCHOOL AND SCHOOL ADMINISTRATORS ON AN ANNUAL BASIS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>A PUBLIC INSPECTION FILE IS MAINTAINED ONSITE THAT INCLUDES THE 990, GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, AND FINANCIAL STATEMENTS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>UNREALIZED LOSS ON SWAPS -124,023.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>